Viskomat NT - Rheometer for Mortar and Paste

ApplicationViskomat NT

The viskomat NT is a versatile rotational viscometer for determine the workabilty of fine-grained building materials such as cement paste, mortar, fine concrete, plaster etc. with a maximum particle size of 2 mm. You can obtain information on:

  1. flow curves and rheological parameters

  2. temperature dependent workability properties

  3. stiffening behaviour as a function of time an stirring speed

  4. effects of concrete admixtures and mineral blending agents on workability



Not only is all this information useful for the materials themselves, but tests have shown that trends established, for example, in mortar are reflected in the behaviour of concrete at full scale.

Construction and operating principles

The viskomat NT is a true speed controlled viscometer driven by a high precision synchron motor. Each rotation is resolved whithin 200.000 steps. It allows ramping from 0.001 rpm to 400 rpm in both directions to record flow curves and yield points. The torque up to ±250 Nmm or ±500 Nmm is measured by a special transducer. Sphere Probe

The standard measuring system consists of a stationary paddle which is mounted concentrically in a rotating cylindrical sample container. As the sample flows around the paddle the shear resistance generates a torque which is continuously monitored electronically. The paddle is mounted on a measuring head, which runs up and down automatically to allow easy filling, emptying and cleaning of the sample container. The sample container is mounted on a speed drive shaft.

The temperature is measured by a sensor located within the measuring paddles. 

All the electronic is housed in a separate case. One powerful microprocessor and two special signal processors does their work there. An online display shows torque, time and temperature during the measurement in a graphical way. The electronic has  an network interface. With the network interface you can integrate the Viskomat NT in any computer network. The Viskomat NT has an built in WEB Server so any WEB browser like Internet Explorer (R) , Firefox, Opera or others, may be used as user interface, the Viskomat NT can be remote controlled from any workplace in your local area network.  No extra software has to be installed on your PC. 

 

Features

 

Technical Data

Power Supply 110...230V / 50 - 60 Hz
Size 200x350x740 mm (wxdxh)
Size Control Unit 190x470x430 mm (wxdxh)
Torque
(2 ranges)
0-±250 Nmm, 0..±500 Nmm
Speed ±0.001-±400 rpm
Sample Volume 370 ml

Weight

ca. 40 kg

 

Resources


Datasheet

User Manual

Users

The Viskomat  is widely used in many companies, Universities or reasearch centers:

ASHLAND INDUSTRIES NEDERLAND B.V.,NL - 3336 LH Zwijndrecht,BARG BAUSTOFFLABOR GMBH & CO. KG,D - 14163 Berlin,BAS B.V.,NL - 5928 AN Venlo,BASF CONSTRUCTION SOLUTIONS GMBH,D - 83308 Trostberg,BASF CONSTRUCTION CHEMICALS ITALIA SPA,I - Treviso,BASF CONSTRUCTION CHEMICALS ESPANA S.L.,E - 28840 Mejorada del Campo,(Madrid),BAU MINERAL GMBH,D - 45669 Herten,BAUHAUS-UNIVERSITÄT WEIMAR FAKULTÄT BAUINGENIEURWESEN, FIB,D - 99421 Weimar,BAUMIT BETEILIGUNGEN GMBH,A - 2754 Waldegg,BERUFSSCHULE II - SELB ABT. BAUSTOFFPRÜFER,D - 95100 Selb,BHS-SONTHOFEN GMBH,D - 87527 Sonthofen,BUNDESANSTALT FÜR MATERIALFORSCHUNG UND -PRÜFUNG (BAM),D - 12205 Berlin,BUZZI UNICEM S.P.A.,I - 15033 CASALE,MONFERRATO,C.T.G. S.P.A. ITALCEMENTI GROUP- LABORATORI I.LAB,I - 24121 Bergamo,CANTILLANA GMBH,D - 45257 Essen,CBR CIMENT LABORATOIRE DES BÉTONS,B - 7022 Mons Harmignies,CEMENTANY AVAPENKY MOCRA,CZ - 66432 Cebin,CEMEX CENTRAL LABORATORY SWITZERLAND,CH - 2555 Brügg BE,CEMEX HÜTTENZEMENT GMBH LGL - QUALITY CONTROL CEMENT GERMANY,D - 44329 Dortmund,CENTRAL R&D-CEMENT BUSINESS, GRASIM INDUSTRIES LTD.,,IND - MP-458470 Khor,CHEMISCHE WERKE ZELL-WILDSHAUSEN GMBH & CO,D - 40549 Düsseldorf,CHINA BUILDING MATERIALS ACADEMY,CN - 100024 Beijing / P.R.,China,CIMALUX S.A.,L - 4149 Esch-sur-Alzette,CONSTRUCTION ENGINEERING QUALITY INSPECTION DALIAN RESEARCH & DESIGN,CN - Dalian,CTG ITALCEMENTI GROUP,I - 24121 Bergamo,DEUNA ZEMENT GMBH,D - 37355 Deuna,DOW CHEMICAL SHANGHAI BRANCH NO. 936 ZHANG HENG ROAD,,CN - 201203 Pudong, Shanghai,DOW WOLFF CELLULOSICS GMBH,D - 29699 Bomlitz,D - 29699 Bomlitz,DYCKERHOFF GMBH WILHELM DYCKERHOFF INSTITUT,D - 65203 Wiesbaden,,DZIALU APARATURY BADAWCZEJ I DYDAKTYCZNEJ POLITECHNIKI,PL - 15-351 Bialystok,EINDHOVEN UNIVERSITY OF TECHNOLOGY DEPT. OF THE BUILT ENVIRONMENT,NL - 5600MB Eindhoven,ENCI BV-MAASTRICHT,NL - 6212 NA Maastricht,ESTABISOL, S.A. LABORATORIO,E - 33492 Carreno,ETH ZÜRICH INST. F. FOOD SCIENCE AND NUTRITION,CH - 8092 Zürich,EUROQUARZ GMBH, - 46282 Dorsten,FACHHOCHSCHULE FÜR TECHNIK UND WIRTSCHAFT BERLIN, FB 2,D - 13129 Berlin,FEDERAL UNIVERSITY OF SANTA CATARINA,BR - 88040900 Florianopolis,,Santa Catarina,FERRARIGRANULATI MARMI S.A.S,I - 37023 Grezzana (VR),FH BIELEFELD - UNIVERSITY OF APPLIED SCIENCES,D - 32427 Minden,FH ERFURT FB BAUINGENIEURWESEN,D - 99085 Erfurt,FH KOBLENZ FB INGENIEURWESEN, - 56203 Höhr-Grenzhausen,FH MÜNSTER LABOR FÜR BAUSTOFFE,D - Münster,FORSCHUNGSINSTITUT DER VEREINIGUNG DER ÖSTERREICHISCHEN ZEMENTINDUSTRIE,A - 1030 Wien,GCP APPLIED TECHNOLOGIES EMIRATES CHEMICALS LLC,UAE - Dubai,GEORG-SIMON-OHM TECHNISCHE HOCHSCHULE NÜRNBERG,D - 90489 Nürnberg,GRACE BAUPRODUKTE GMBH ZUSATZMITTELSYSTEME,D - 32676 Lügde,GRACE CONSTRUCTION PRODUCTS VILADECANS BUSINESS PARK EDIFICO,E - 08840 Viladecans,GB - WA3 7QZ Birchwood,,Warrington,GRACE SAUDI ARABIA COMPANY LTD.,31952 Khobar/ SAUDI,GRASIM INDUSTRIES LTD. VIKRAM CEMENT,IND - MP-458470 Khor,HAWK HILDESHEIM FAKULTÄT BAUEN UND ERHALTEN [B],D - 31134 Hildesheim,HEIDELBERER CEMENT TECHNOLOGY CENTER GMBH,D - 69181 Leimen,D - 97855 Triefenstein,D - 89601 Schelklingen,HEIDELBERGCEMENT BAUSTOFFE FÜR GEOTECHNIK GMBH & CO. KG,D - 59320 Ennigerloh,HENKEL AG & CO. KGAA,D - 59425 Unna,HERIOT-WATT UNIVERSITY DEPARTMENT OF BUILDING ENGINEERING,GB - EH14 4A Edinburgh,HOCHSCHULE FÜR TECHNIK UND WIRTSCHAFT BERLIN, FB 2/SG,D - 12459 Berlin,HOCHSCHULE FÜR TECHNIK, WIRTSCHAFT UND K FB BAUWESEN,D - 04277 Leipzig,HOCHSCHULE KOBLENZ WESTERWALDCAMPUS,D - 56203 Höhr-Grenzhausen,HOCHSCHULE OSTWESTFALEN - LIPPE FACHBEREICH BAUINGENIEURWESEN,D - 32756 Detmold,HOLCIM (COSTA RICA) S.A., - 4009-1000 San José Agua,Caliente,HOLCIM (DEUTSCHLAND) AG AWT / F&E,D - 31319 Sehnde-Höver,HOLCIM (SCHWEIZ) AG TECHNICAL CENTER,CH - 5303 Würenlingen,HOLCIM CEMENTI S.P.A.,I - 22046 Merone (CO),IAB INSTITUT FÜR ANGEWANDTE BAUFORSCHUNG WEIMAR GGMBH,D - 99428 Weimar-Tröbsdorf,IKSA ADMIXTURES AND ADDITIVES CO. LTD.,TR - 06580 Tandogan/ANKARA,IKSA INSAAT KATKILARI SAN. TIC. LTD. STI,TR - 06580 Tandogan/ANKARA,INSTITUT F. GIEßEREITECHNIK GGMBH, - 40237 Düsseldorf,INSTITUT FÜR BAUSTOFFE (IBAC) RWTH AACHEN,D - 52062 Aachen,INSTITUT FÜR BETONBAU, BAUSTOFFE UND BAUPHYSIK,A - 6020 Innsbruck,INSTITUTO EDUARDO TORROJA DEL CSIC,E - 28033 Madrid,K-UTEC AG SALT TECHNOLOGIES,D - 99706 Sondershausen,KIRCHDORFER ZEMENTWERK HOFMANN GESELLSCHAFT M.B.H.,,A - 4560 Kirchdorf an der,KLOKNER INSTITUTE CZECH TECHNICAL UNIVERSITY,CZ - 16608 Praha,KURITA EUROPE APW GMBH,D - 67065 Ludwigshafen,LAFARGE ETC WIEN PRÜFANSTALT MANNERSDORF,A - 2452 Mannersdorf,LANGRO CHEMIE,D - 70435 Stuttgart,LEIBNIZ UNIVERSITÄT HANNOVER INSTITUT FÜR BAUSTOFFE,D - 30167 Hannover,LOUGHBOROUGH UNIVERSITY DEP. OF CIVIL AN BUILDING ENG.,GB - LE113TU Loughborough,MACO GROUP CORPORATION,CN - Beijing,MAX BÖGL BAUUNTERNEHMUNG GMBH F + E, - 92369 Sengenthal,MFPA WEIMAR,D - 99432 Weimar,MONIER TECHNICAL CENTRE GMBH,D - 63150 Heusenstamm,MONTANUNIVERSITÄT LEOBEN LEHRSTUHL F. BERGBAUKUNDE,A - 8700 Leoben,MTC GMBH CHEMISCHE PRODUKTE,D - 97337 Dettelbach,NANYANG TECHNOLOGICAL UNIVERSITY SCHOOL OF CIVIL AND ENVIRONMENTAL,SG - 639798 Singapore,OPTERRA KARSDORF GMBH WERK KARSDORF,D - 06638 Karsdorf,OSTBAYERISCHE TECHNISCHE HOCHSCHULE REGENSBURG,D - 93049 Regensburg,OTTO-VON-GUERICKE-UNIVERSITÄT MAGDEBURG INSTITUT FÜR STRÖMUNGSTECHNIK UND,THERMO,D - 39106 Magdeburg,PJSC "SUKHOLOZHSKCEMENT" JOINT STOCK COMPANY (OAO),RUS - 624800 Sokhoi Log,PLIBRIKO GMBH FEUERFESTTECHNIK,D - 56564 Neuwied,PORTLANDZEMENTWERK WITTEKIND,D - 59597 Erwitte,POVAZSKÁ CEMENTÁREN A.S. LADCE ZEMENTWERK LADCE,SK - 01863 Ladce,RIEDERFASERBETON-ELEMENTE GMBH,D - 83059 Kolbermoor,RUHR-UNIVERSITÄT BOCHUM LEHRSTUHL FÜR BAUSTOFFTECHNIK,D - 44801 Bochum,RWTH AACHEN INSTITUT FÜR BAUFORSCHUNG (IBAC),D - 52062 Aachen,SAINT-GOBAIN RECHERCHE PHYSICS AND CHEMISTRY OF MATERIALS,F - 93303 Aubervilliers,SAKRET BERLIN TROCKENBAUSTOFFE GMBH NIERDERL. BRANDENBURG,D - 14776,Brandenburg/Schmerzke,SANTA MARGHERITA S.P.A.,I - 37020 Volargne (VR),SARL ENTEC,ALG - 25019 Constantine,SCANCEM CEMENTA RESEARCH AB,S - 62030 Slite, Sweden,SCHOOL OF WATER RESOURCES AND HYDROPOWER, - Wuhan, Hubei - CHINA,SCHWENK ZEMENT KG,D - 89604 Allmendingen,SCHWENK ZEMENT KG,D - 97753 Karlstadt,SGS INTRON B.V.,NL - 6136 GV SITTARD,SHANGHAI SUNRISE POLYMER MATERIAL CO., LTD.,CN - 200232 Shanghai,SICHUAN DINGCHENG TRADING CORPORATION,P.R - 621900 Sichuan, P.R.,CHINA,SIKA MEXICANA, S.A. DE C.V FRACC. INDUSTRIAL BALVANERA,MX - 76920 Corregidora,,Queretaro/Mexico,SIKA S.A.,BR - CEP 06276 -000 Sao Paulo,SIKA S.A. CHILE,CL - 8941077 San Joaquín,,Santiago,SIKA SCHWEIZ AG,CH - 8048 Zürich/Altstetten,SIKA TECHNOLOGY AG GESCHÄFTSSTELLE ZÜRICH,CH - 8048 Zürich,SIKA, S. A.,E - 28108 Alcobendas (Madrid),SILESIAN UNIVERSITY OF TECHNOLOGY CHAIR OF BUILDING PROCESSES,PL - 44100 Gliwice,SINOMA INTERNATIONAL ENGINEERING CO., LTD,CN - 100102 Beijing, Chaoyan,SMARTMINERALS GMBH,A - 1030 Wien,SOUTHWET UNIVERISTY OF SCIENCE AND TECHNOLOGY, SWUST,CN - 621010 Mianyang,SPENNER ZEMENT GMBH & CO. KG,D - 59597 Erwitte,STACHEMA CZ S R. O.,CZ - 280 02 Kolín,SÜD-CHEMIE AG,D - 85368 Moosburg,SÜDBAYERISCHES PORTLAND ZEMENTWERK GEBR. WIESBÖCK & CO. GMBH,D - 83101 Rohrdorf,,TECHNICAL UNIVERSITY OF WROCLAW BUILDUNG ENGINEERING INSTITUTE,PL - 50370 Wroclaw,TECHNISCHE UNIVERSITÄT BERLIN,D - 10623 Berlin,TECHNISCHE UNIVERSITÄT BRNO FAKULTÄT FÜR BAUINGENIEURWESEN,CZ - 60200 Brno,TECHNISCHE UNIVERSITÄT COTTBUS FORSCHUNGS- UND MATERIALPRÜFANSTALT,D - 03044 Cottbus,TECHNISCHE UNIVERSITÄT KAISERSLAUTERN FACHGEBIET BAUSTOFFTECHNOLOGIE,D - 67663 Kaiserslautern,TFB,CH - 5103 Wildegg,THE HONG KONG POLYTECHNIC UNIVERSITY DEPT. OF CIVIL AND STRUCT. ENG.,HK - Hong Kong,TIANJIN FOREIGN TRADE (GROUP) LIGHT INDUSTRIAL PRODUCTS CO., LTD., - Hexi Dist Tianjin / P.R. C H I,TILLMAN B.V. CONSTRUCTION CHEMICALS,NL - 7078 Megchelen,TKK SRPENICA D.D.,SLO - 5224 Srpenica,TOLSA GROUP,E - E-28031 Madrid,TPA GESELLSCHAFT FÜR QUALITÄTSSICHERUNG UND INNOVATION GMBH,D - 70499 Stuttgart,TSINGHUA UNIVERSITY DEPARTMENT OF CIVIL ENGINEERING,CN - 100084 Beijing / PR China,TU BERLIN INSTITUT FÜR BAUINGENIERUWESEN,D - 13355 Berlin,TU MÜNCHEN CENTRUM BAUSTOFFE (CBM),D - 81245 München,U.S. GYPSUM COMPANY DELAVAN PLANT #447,USA - 53115 Delavan, WI,UNI HANNOVER INST. FÜR BAUSTOFFKUNDE U. MATERIALPRÜFU,D - 30167 Hannover,UNICALCESTRUZZI SPA R & D LAB.,I - 50041 Calenzano, FI,UNIVERSIDADE DA BEIRA INTERIOR CENTRE OF MATERIALS AND BUILDING TECHNOL,P - 6200-358 Covilh¦,UNIVERSIDADE DE AVEIRO DEPART. CIVIL,P - 3810-193 Aveiro - Portugal,UNIVERSITY OF MICHIGAN CIVIL & ENVIRONMENTAL ENGR.,USA - Ann Arbor, MI,USG CORP. CORPORATE INNOVATION CENTER,USA - 60048 Libertyville, IL,VDZ GesGMBH,D - 40476 Düsseldorf,VICAT SA DIRECTION SCIENTIFIQUE,F - 38081 L'Isle D'Abeau Cedex,W&P ZEMENT GMBH,A - 9373 Klein St. Paul,WUHAN UNIVERSITY ADVANCED MATERIALS RESEARCH CENTER,PRC - 430072 Wuhan, Hubei

More details about the Viskomat and also the BT2 Rheometer in our FAQ list

Last edited: November 09, 2021, 10:05